Junior tennis is almost as old as normal tennis but how did it come to be and should your kids be playing competitive tournaments? The biggest junior tour, the ITF junior tour was founded in 1977 and has grown since. During the year of its foundation, the tour only included 9 tournaments compared to its 350 tournaments in 2001. In the latest release of rankings, the ITF included 2563 boys players and 2542 girls contestants. Some of the top players on the tour have already established a presence on the pro circuit. The Serbian Olga Danilovic has won the doubles tournament at the age of 16 in the most recent edition of The Wimbledon Championships. ITF junior world number 1 Yibing Wu has an ATP ranking of 329. On top of his rank, he has also earned 80,000 dollars and has achieved a career-high ranking of 320. Miomir Kecmanovic, the ITF junior world number 5 and former world number 1 has a ranking of 294. He finished 2016 with a year-end world number 1 title on the ITF junior tour h